Cita APA (7a ed.)
(1998). Environmental Labeling Issues, Policies, and Practices Worldwide. U.S. Environmental Protection Agency.
Cita Chicago Style (17a ed.)
Environmental Labeling Issues, Policies, and Practices Worldwide. U.S. Environmental Protection Agency, 1998.
Cita MLA (9a ed.)
Environmental Labeling Issues, Policies, and Practices Worldwide. U.S. Environmental Protection Agency, 1998.
Precaución: Estas citas no son 100% exactas.